[In vitro evaluation of blood vessel prosthesis dilatation--Dacron and PTFE--a new measuring technique].
Dilatation is the most significant complication of prosthetic vascular grafts. It is suspected to be a nidus of other graft complications. There have been a few studies on in-vitro-dilatation of the prosthetic vascular grafts. This is due to the lack of an effective and simple method to measure the transverse dilatation of the graft. We developed a new simple, reliable and cost-effective technique to evaluate the in-vitro-dilatation of prosthetic vascular grafts. The dilatation behavior of two different types of grafts (dacron and PTFE) was observed and compared under static pressure between 0 and 300 mmHg. The in-vitro- dilatations of dacron and PTFE grafts were 6.9% and 8.4% respectively. Interestingly, the dilatation rate for PTFE vascular grafts is higher than the indicated rate in the literature.
Shekarriz
H
H
Klinik für Chirurgie, Medizinische Universität zu Lübeck.
Wenk
H
H
Müller
G
G
Bruch
H P
HP
D001807:Blood Vessel Prosthesis; D006801:Humans; D066298:In Vitro Techniques; D008422:Materials Testing / Q000295:instrumentation; D011093:Polyethylene Terephthalates; D011138:Polytetrafluoroethylene; D011475:Prosthesis Failure
D011093:Polyethylene Terephthalates; D011138:Polytetrafluoroethylene
In-vitro-Evaluation der Gefässprothesendilatation--Dacron und PTFE--eine neue Messmethode.